| 摘要 |
PROBLEM TO BE SOLVED: To detect the clogged state of a filter without incorporating an extra device, and to sustain operation of a fuel cell system as long as possible by a control corresponding to the clogged state of a filter.SOLUTION: A control unit 300 has a relation of the output from an air pump 72 and the flow rate of air supplied to a fuel cell system in the form of a map. The control unit 300 drives the air pump 72 with a duty ratio of 70%, for example, detects the flow rate of air supplied to the cathode 11 immediately after the drive, and determines the clogged state of a filter 71 with reference to the map. |
